Exemplo n.º 1
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  /**
   * Reserve some space on each axis side because we draw a centered label at each extremity.
   *
   * @param g2 the graphics device.
   * @param plot the plot.
   * @param plotArea the plot area.
   * @param edge the edge.
   * @param space the space already reserved.
   * @return The reserved space.
   */
  public AxisSpace reserveSpace(
      Graphics2D g2, Plot plot, Rectangle2D plotArea, RectangleEdge edge, AxisSpace space) {

    this.internalMarkerCycleBoundTick = null;
    AxisSpace ret = super.reserveSpace(g2, plot, plotArea, edge, space);
    if (this.internalMarkerCycleBoundTick == null) {
      return ret;
    }

    FontMetrics fm = g2.getFontMetrics(getTickLabelFont());
    Rectangle2D r =
        TextUtilities.getTextBounds(this.internalMarkerCycleBoundTick.getText(), g2, fm);

    if (RectangleEdge.isTopOrBottom(edge)) {
      if (isVerticalTickLabels()) {
        space.add(r.getHeight() / 2, RectangleEdge.RIGHT);
      } else {
        space.add(r.getWidth() / 2, RectangleEdge.RIGHT);
      }
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      if (isVerticalTickLabels()) {
        space.add(r.getWidth() / 2, RectangleEdge.TOP);
      } else {
        space.add(r.getHeight() / 2, RectangleEdge.TOP);
      }
    }

    return ret;
  }
Exemplo n.º 2
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  /**
   * Converts a coordinate from Java 2D space to data space.
   *
   * @param java2DValue the coordinate in Java2D space.
   * @param dataArea the data area.
   * @param edge the edge.
   * @return The data value.
   */
  public double java2DToValue(double java2DValue, Rectangle2D dataArea, RectangleEdge edge) {
    Range range = getRange();

    double vmax = range.getUpperBound();
    double vp = getCycleBound();

    double jmin = 0.0;
    double jmax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      jmin = dataArea.getMinX();
      jmax = dataArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      jmin = dataArea.getMaxY();
      jmax = dataArea.getMinY();
    }

    if (isInverted()) {
      double jbreak = jmax - (vmax - vp) * (jmax - jmin) / this.period;
      if (java2DValue >= jbreak) {
        return vp + (jmax - java2DValue) * this.period / (jmax - jmin);
      } else {
        return vp - (java2DValue - jmin) * this.period / (jmax - jmin);
      }
    } else {
      double jbreak = (vmax - vp) * (jmax - jmin) / this.period + jmin;
      if (java2DValue <= jbreak) {
        return vp + (java2DValue - jmin) * this.period / (jmax - jmin);
      } else {
        return vp - (jmax - java2DValue) * this.period / (jmax - jmin);
      }
    }
  }
  /**
   * Converts a data value to a coordinate in Java2D space, assuming that the axis runs along one
   * edge of the specified plotArea. Note that it is possible for the coordinate to fall outside the
   * plotArea.
   *
   * @param value the data value.
   * @param plotArea the area for plotting the data.
   * @param edge the axis location.
   * @return The Java2D coordinate.
   */
  @Override
  public double valueToJava2D(double value, Rectangle2D plotArea, RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double min = 0.0;
    double max = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      min = plotArea.getMinX();
      max = plotArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      min = plotArea.getMaxY();
      max = plotArea.getMinY();
    }

    value = switchedLog10(value);

    if (isInverted()) {
      return max - (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    } else {
      return min + (((value - axisMin) / (axisMax - axisMin)) * (max - min));
    }
  }
 /**
  * Selects an appropriate tick value for the axis. The strategy is to display as many ticks as
  * possible (selected from an array of 'standard' tick units) without the labels overlapping.
  *
  * @param g2 the graphics device.
  * @param dataArea the area defined by the axes.
  * @param edge the axis location.
  * @since 1.0.7
  */
 protected void selectAutoTickUnit(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
   if (RectangleEdge.isTopOrBottom(edge)) {
     selectHorizontalAutoTickUnit(g2, dataArea, edge);
   } else if (RectangleEdge.isLeftOrRight(edge)) {
     selectVerticalAutoTickUnit(g2, dataArea, edge);
   }
 }
  /**
   * Converts a coordinate in Java2D space to the corresponding data value, assuming that the axis
   * runs along one edge of the specified plotArea.
   *
   * @param java2DValue the coordinate in Java2D space.
   * @param plotArea the area in which the data is plotted.
   * @param edge the axis location.
   * @return The data value.
   */
  @Override
  public double java2DToValue(double java2DValue, Rectangle2D plotArea, RectangleEdge edge) {

    Range range = getRange();
    double axisMin = switchedLog10(range.getLowerBound());
    double axisMax = switchedLog10(range.getUpperBound());

    double plotMin = 0.0;
    double plotMax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      plotMin = plotArea.getX();
      plotMax = plotArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      plotMin = plotArea.getMaxY();
      plotMax = plotArea.getMinY();
    }

    if (isInverted()) {
      return switchedPow10(
          axisMax - ((java2DValue - plotMin) / (plotMax - plotMin)) * (axisMax - axisMin));
    } else {
      return switchedPow10(
          axisMin + ((java2DValue - plotMin) / (plotMax - plotMin)) * (axisMax - axisMin));
    }
  }
Exemplo n.º 6
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 /**
  * Draws the tick marks for the axis.
  *
  * @param g2 the graphics device.
  * @param state the axis state.
  * @param dataArea the data area.
  * @param edge the edge.
  */
 protected void drawTickMarks(
     Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge) {
   if (RectangleEdge.isTopOrBottom(edge)) {
     drawTickMarksHorizontal(g2, state, dataArea, edge);
   } else if (RectangleEdge.isLeftOrRight(edge)) {
     drawTickMarksVertical(g2, state, dataArea, edge);
   }
 }
Exemplo n.º 7
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 /**
  * Calculates the bar thickness.
  *
  * @param plotArea the plot area.
  * @param edge the location.
  * @return The thickness.
  */
 private double calculateBarThickness(Rectangle2D plotArea, RectangleEdge edge) {
   double result = 0.0;
   if (RectangleEdge.isLeftOrRight(edge)) {
     result = plotArea.getWidth() * this.colorBarThicknessPercent;
   } else {
     result = plotArea.getHeight() * this.colorBarThicknessPercent;
   }
   return result;
 }
 /**
  * Calculates the positions of the tick labels for the axis, storing the results in the tick label
  * list (ready for drawing).
  *
  * @param g2 the graphics device.
  * @param state the axis state.
  * @param dataArea the area in which the plot should be drawn.
  * @param edge the location of the axis.
  * @return A list of ticks.
  */
 @Override
 public List refreshTicks(
     Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge) {
   List result = new java.util.ArrayList();
   if (RectangleEdge.isTopOrBottom(edge)) {
     result = refreshTicksHorizontal(g2, dataArea, edge);
   } else if (RectangleEdge.isLeftOrRight(edge)) {
     result = refreshTicksVertical(g2, dataArea, edge);
   }
   return result;
 }
Exemplo n.º 9
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  /**
   * Estimates the space (height or width) required to draw the axis.
   *
   * @param g2 the graphics device.
   * @param plot the plot that the axis belongs to.
   * @param plotArea the area within which the plot (including axes) should be drawn.
   * @param edge the axis location.
   * @param space space already reserved.
   * @return The space required to draw the axis (including pre-reserved space).
   */
  public AxisSpace reserveSpace(
      Graphics2D g2, Plot plot, Rectangle2D plotArea, RectangleEdge edge, AxisSpace space) {
    // create a new space object if one wasn't supplied...
    if (space == null) {
      space = new AxisSpace();
    }

    // if the axis is not visible, no additional space is required...
    if (!isVisible()) {
      return space;
    }

    // if the axis has a fixed dimension, return it...
    double dimension = getFixedDimension();
    if (dimension > 0.0) {
      space.ensureAtLeast(dimension, edge);
    }

    // get the axis label size and update the space object...
    Rectangle2D labelEnclosure = getLabelEnclosure(g2, edge);
    double labelHeight = 0.0;
    double labelWidth = 0.0;
    double tickLabelBandsDimension = 0.0;

    for (int i = 0; i < this.labelInfo.length; i++) {
      PeriodAxisLabelInfo info = this.labelInfo[i];
      FontMetrics fm = g2.getFontMetrics(info.getLabelFont());
      tickLabelBandsDimension += info.getPadding().extendHeight(fm.getHeight());
    }

    if (RectangleEdge.isTopOrBottom(edge)) {
      labelHeight = labelEnclosure.getHeight();
      space.add(labelHeight + tickLabelBandsDimension, edge);
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      labelWidth = labelEnclosure.getWidth();
      space.add(labelWidth + tickLabelBandsDimension, edge);
    }

    // add space for the outer tick labels, if any...
    double tickMarkSpace = 0.0;
    if (isTickMarksVisible()) {
      tickMarkSpace = getTickMarkOutsideLength();
    }
    if (this.minorTickMarksVisible) {
      tickMarkSpace = Math.max(tickMarkSpace, this.minorTickMarkOutsideLength);
    }
    space.add(tickMarkSpace, edge);
    return space;
  }
Exemplo n.º 10
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 public double java2DToValue(double java2DValue, Rectangle2D area, RectangleEdge edge) {
   Range range = getRange();
   double axisMin = range.getLowerBound();
   double axisMax = range.getUpperBound();
   double min = 0.0d;
   double max = 0.0d;
   if (RectangleEdge.isTopOrBottom(edge)) {
     min = area.getX();
     max = area.getMaxX();
   } else if (RectangleEdge.isLeftOrRight(edge)) {
     min = area.getMaxY();
     max = area.getY();
   }
   if (isInverted()) {
     return axisMax - (((java2DValue - min) / (max - min)) * (axisMax - axisMin));
   }
   return (((java2DValue - min) / (max - min)) * (axisMax - axisMin)) + axisMin;
 }
Exemplo n.º 11
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 /**
  * Returns the maximum of the relevant dimension (height or width) of the subcategory labels.
  *
  * @param g2 the graphics device.
  * @param edge the edge.
  * @return The maximum dimension.
  */
 private double getMaxDim(Graphics2D g2, RectangleEdge edge) {
   double result = 0.0;
   g2.setFont(this.subLabelFont);
   FontMetrics fm = g2.getFontMetrics();
   Iterator iterator = this.subCategories.iterator();
   while (iterator.hasNext()) {
     Comparable subcategory = (Comparable) iterator.next();
     String label = subcategory.toString();
     Rectangle2D bounds = TextUtilities.getTextBounds(label, g2, fm);
     double dim = 0.0;
     if (RectangleEdge.isLeftOrRight(edge)) {
       dim = bounds.getWidth();
     } else { // must be top or bottom
       dim = bounds.getHeight();
     }
     result = Math.max(result, dim);
   }
   return result;
 }
Exemplo n.º 12
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  /**
   * Converts a coordinate in Java2D space to the corresponding data value, assuming that the axis
   * runs along one edge of the specified dataArea.
   *
   * @param java2DValue the coordinate in Java2D space.
   * @param area the area in which the data is plotted.
   * @param edge the edge along which the axis lies.
   * @return The data value.
   */
  public double java2DToValue(double java2DValue, Rectangle2D area, RectangleEdge edge) {

    double result = Double.NaN;
    double min = 0.0;
    double max = 0.0;
    double axisMin = this.first.getFirstMillisecond();
    double axisMax = this.last.getLastMillisecond();
    if (RectangleEdge.isTopOrBottom(edge)) {
      min = area.getX();
      max = area.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      min = area.getMaxY();
      max = area.getY();
    }
    if (isInverted()) {
      result = axisMax - ((java2DValue - min) / (max - min) * (axisMax - axisMin));
    } else {
      result = axisMin + ((java2DValue - min) / (max - min) * (axisMax - axisMin));
    }
    return result;
  }
Exemplo n.º 13
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  /**
   * Translates a value from data space to Java 2D space.
   *
   * @param value the data value.
   * @param dataArea the data area.
   * @param edge the edge.
   * @return The Java 2D value.
   */
  public double valueToJava2D(double value, Rectangle2D dataArea, RectangleEdge edge) {
    Range range = getRange();

    double vmin = range.getLowerBound();
    double vmax = range.getUpperBound();
    double vp = getCycleBound();

    if ((value < vmin) || (value > vmax)) {
      return Double.NaN;
    }

    double jmin = 0.0;
    double jmax = 0.0;
    if (RectangleEdge.isTopOrBottom(edge)) {
      jmin = dataArea.getMinX();
      jmax = dataArea.getMaxX();
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      jmax = dataArea.getMinY();
      jmin = dataArea.getMaxY();
    }

    if (isInverted()) {
      if (value == vp) {
        return this.boundMappedToLastCycle ? jmin : jmax;
      } else if (value > vp) {
        return jmax - (value - vp) * (jmax - jmin) / this.period;
      } else {
        return jmin + (vp - value) * (jmax - jmin) / this.period;
      }
    } else {
      if (value == vp) {
        return this.boundMappedToLastCycle ? jmax : jmin;
      } else if (value >= vp) {
        return jmin + (value - vp) * (jmax - jmin) / this.period;
      } else {
        return jmax - (vp - value) * (jmax - jmin) / this.period;
      }
    }
  }
Exemplo n.º 14
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  /**
   * Estimates the space required for the axis, given a specific drawing area.
   *
   * @param g2 the graphics device (used to obtain font information).
   * @param plot the plot that the axis belongs to.
   * @param plotArea the area within which the axis should be drawn.
   * @param edge the axis location (top or bottom).
   * @param space the space already reserved.
   * @return The space required to draw the axis.
   */
  public AxisSpace reserveSpace(
      Graphics2D g2, Plot plot, Rectangle2D plotArea, RectangleEdge edge, AxisSpace space) {

    // create a new space object if one wasn't supplied...
    if (space == null) {
      space = new AxisSpace();
    }

    // if the axis is not visible, no additional space is required...
    if (!isVisible()) {
      return space;
    }

    space = super.reserveSpace(g2, plot, plotArea, edge, space);
    double maxdim = getMaxDim(g2, edge);
    if (RectangleEdge.isTopOrBottom(edge)) {
      space.add(maxdim, edge);
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      space.add(maxdim, edge);
    }
    return space;
  }
Exemplo n.º 15
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  /**
   * Converts a data value to a coordinate in Java2D space, assuming that the axis runs along one
   * edge of the specified dataArea.
   *
   * <p>Note that it is possible for the coordinate to fall outside the area.
   *
   * @param value the data value.
   * @param area the area for plotting the data.
   * @param edge the edge along which the axis lies.
   * @return The Java2D coordinate.
   */
  public double valueToJava2D(double value, Rectangle2D area, RectangleEdge edge) {

    double result = Double.NaN;
    double axisMin = this.first.getFirstMillisecond();
    double axisMax = this.last.getLastMillisecond();
    if (RectangleEdge.isTopOrBottom(edge)) {
      double minX = area.getX();
      double maxX = area.getMaxX();
      if (isInverted()) {
        result = maxX + ((value - axisMin) / (axisMax - axisMin)) * (minX - maxX);
      } else {
        result = minX + ((value - axisMin) / (axisMax - axisMin)) * (maxX - minX);
      }
    } else if (RectangleEdge.isLeftOrRight(edge)) {
      double minY = area.getMinY();
      double maxY = area.getMaxY();
      if (isInverted()) {
        result = minY + (((value - axisMin) / (axisMax - axisMin)) * (maxY - minY));
      } else {
        result = maxY - (((value - axisMin) / (axisMax - axisMin)) * (maxY - minY));
      }
    }
    return result;
  }
Exemplo n.º 16
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  /**
   * Draws the plot on a Java 2D graphics device (such as the screen or a printer).
   *
   * @param g2 the graphics device.
   * @param cursor the cursor.
   * @param plotArea the area within which the chart should be drawn.
   * @param dataArea the area within which the plot should be drawn (a subset of the drawArea).
   * @param reservedArea the reserved area.
   * @param edge the color bar location.
   * @return The new cursor location.
   */
  public double draw(
      Graphics2D g2,
      double cursor,
      Rectangle2D plotArea,
      Rectangle2D dataArea,
      Rectangle2D reservedArea,
      RectangleEdge edge) {

    Rectangle2D colorBarArea = null;

    double thickness = calculateBarThickness(dataArea, edge);
    if (this.colorBarThickness > 0) {
      thickness = this.colorBarThickness; // allow fixed thickness
    }

    double length = 0.0;
    if (RectangleEdge.isLeftOrRight(edge)) {
      length = dataArea.getHeight();
    } else {
      length = dataArea.getWidth();
    }

    if (this.colorBarLength > 0) {
      length = this.colorBarLength;
    }

    if (edge == RectangleEdge.BOTTOM) {
      colorBarArea =
          new Rectangle2D.Double(
              dataArea.getX(), plotArea.getMaxY() + this.outerGap, length, thickness);
    } else if (edge == RectangleEdge.TOP) {
      colorBarArea =
          new Rectangle2D.Double(
              dataArea.getX(), reservedArea.getMinY() + this.outerGap, length, thickness);
    } else if (edge == RectangleEdge.LEFT) {
      colorBarArea =
          new Rectangle2D.Double(
              plotArea.getX() - thickness - this.outerGap, dataArea.getMinY(), thickness, length);
    } else if (edge == RectangleEdge.RIGHT) {
      colorBarArea =
          new Rectangle2D.Double(
              plotArea.getMaxX() + this.outerGap, dataArea.getMinY(), thickness, length);
    }

    // update, but dont draw tick marks (needed for stepped colors)
    this.axis.refreshTicks(g2, new AxisState(), colorBarArea, edge);

    drawColorBar(g2, colorBarArea, edge);

    AxisState state = null;
    if (edge == RectangleEdge.TOP) {
      cursor = colorBarArea.getMinY();
      state = this.axis.draw(g2, cursor, reservedArea, colorBarArea, RectangleEdge.TOP, null);
    } else if (edge == RectangleEdge.BOTTOM) {
      cursor = colorBarArea.getMaxY();
      state = this.axis.draw(g2, cursor, reservedArea, colorBarArea, RectangleEdge.BOTTOM, null);
    } else if (edge == RectangleEdge.LEFT) {
      cursor = colorBarArea.getMinX();
      state = this.axis.draw(g2, cursor, reservedArea, colorBarArea, RectangleEdge.LEFT, null);
    } else if (edge == RectangleEdge.RIGHT) {
      cursor = colorBarArea.getMaxX();
      state = this.axis.draw(g2, cursor, reservedArea, colorBarArea, RectangleEdge.RIGHT, null);
    }
    return state.getCursor();
  }